Thermal engine

Details Thermal engine Thermal engine

1974-10-25

1976-02-10

Ostrager, Allen M.

Power plants

Motor operated by expansion and/or contraction of a unit of...

Mass is a solid

F03G 706

Patent

active

039370194

ABSTRACT:
A machine is constructed from plural elongated elements constructed as tubes or rods with double duct and which are alternatingly cooled and heated past a transition temperature, whereby restauration of the original length occurs during heating under development of force and is effective as work producing stroke, while upon cooling below the transition temperature such element is extended or upset. The elements are resiliently coupled to a crank shaft or to the rotary output of swash plate like machine. Heating and cooling fluid is alternatingly driven through the duct or ducts in the stroke producing elements to obtain periodic extension and contraction which is translated into rotational power.

REFERENCES:
patent: 3152554 (1964-10-01), Kofink
patent: 3229177 (1966-01-01), Clarke
patent: 3403238 (1968-09-01), Buehler et al.
patent: 3430441 (1969-03-01), Adams

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